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Issued at 23/07/2014 6:51am. Valid till 25/07/2014 6pm

Queenstown

Mountain
Current avalanche advisory
High Alpine

Above 2000 meters

Alpine

1000 to 2000 meters

Sub Alpine

Below 1000 meters

Avalanche Danger Scale
Avalanche Danger Scale
Report TutorialPrint Reporthear report

Primary Avalanche Danger

Dangerous Aspects
high
Danger Rose
3
Highest Danger Rating
Likelihood
indicator
gauge
Certain
Likely
Unlikely
Size
indicator
gauge
Largest
Small
Trend
indicator
gauge
Increasing
No change
Decreasing
Time of day
clock
Time of day
All day
Alpine level
High Alpine: Above 2000m
Alpine: 1000 to 2000m
Low Alpine: Below 1000m
Description:
We are locked under this strong SW airflow which is redistributing new snow ( some zones over 40 cms) in all directions. Areas of stiff snow (windslab) has developed on many aspects, weak layers buried under the slab is at threshold in many areas, others slopes are almost devoid of snow, stripped back to tussock by the relentless SW flow. Steep terrain on all aspects and elevations must be avoided for the next 48 hrs. The snowpack is reactive to overloading, the weight of a single skier/boarder will be enough to trigger an avalanche. Events can be (and have been) large travelling long distances due to the icy base. Terrain traps where significant quantities of new snow can gather must be avoided. Visibility will be poor at times today. Choose moderate terrain.

Recent Avalanche Activity

Recent Avalanche Activity
There has been a lot of natural activity over the past 24 hrs with avalanches on many aspects from small to very large reported on ski fields and backcountry. Events appear to be running on the buried rain crust from earlier in the month.

Current Snowpack Conditions

Current Snowpack Conditions
Gale force SW winds over the past 48 hrs has seen continuing development of windslab on several aspects, weak layers are buried within the stiff snow and in some areas this is quite deep. At lower elevations and ridge crest hard icy surfaces have been exposed by the winds. The pack below 1700 m is quite shallow, watch for hidden hazards buried under a thin coverage of snow. More snow yesterday and today will make seeing hidden hazards (rocks, hollows, etc) difficult, use caution at lower elevations.

Mountain Weather

Mountain Weather
Morning cloud clearing to a mainly fine day, however isolated showers to the south, falling as snow to around 900 m. Strong SW winds for much of the day, rising to gale force this afternoon. The freezing level rising to 1200 m late afternoon.


MetService
For more information go to: http://www.metservice.com/mountain/index

Sliding Danger

Slide For Life
Gale force winds have scoured windward slopes at all elevations, also ridge-lines. Large areas of hard ice will be encountered in random places, other areas will have very little snow. A sliding danger exists, be cautious in and around steep terrain as this exposed ice is very hard and slippery.

Forecast by Chris Cochrane

Mountain Safety Council
Avalanche Forecast Regions:
Mountain Safety Council managed websites
Mountainf Safety Council websiteAdventure Smart websiteNew Zealand Avalanche CenterNational Incedent Database website